Large game resource files, typically named something like main.[version].com.activision.callofduty.shooter.obb .
Community-made "zip" files (like "potato graphics" or 120 FPS tweaks) often involve replacing files within the Android/data/com.activision.callofduty.shooter folder to improve performance on low-end devices. Manual Installation Steps (If not using Play Store) Download com activision callofduty shooter zip
If you have downloaded these files manually, they must be placed in specific directories for the game to function: file first. Large game resource files, typically named something like